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Example
她看到主管心情不錯，便乘機提出新計畫。
她看到主管心情不错，便乘机提出新计划。
She saw that her supervisor was in a good mood, so she took the opportunity to propose a new plan.
Usage Notes
Most often introduces an action done when a good chance appears. In some contexts it can also mean taking an airplane.
Sottaku
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